This Charge-It-Up portable charger makes a great gift or party favor that will extend the reach of your brand! It features a 1500 mAh lithium ion grade A non-recycled battery and is UL listed (UL File # MH60964, Model # UL1500P). The red LED indicator light shows when it's charging, and you can plug in via USB output or micro-USB input (cord included). This is great for most phones and mp3 players. The output is 5 volts / 1 amp and you need the cable from your device in order to power up. Add your imprint and grab the attention of smartphone users everywhere with this great item!